The big green button in the second row of the menu, shown in the image below. It does not appear as a Firefox addon, and Whatsapp itself doesn't seem to have any option regarding this.
Screenshot - ...

When I installed Firefox yesterday, I immediately set my default search engine to DuckDuckGo and removed Yahoo from the list. Today, I discovered that Firefox has a search provider built in for when ...

When I try to upload a photo to most sites, my low-end phone (an LG Optimus F6) refreshes the page after I select the file, regardless of what browser I use. Chrome at least explicitly tells me that ...

I have this problem constantly when I try browsing the web while listening to music. It doesn't happen on every page, but probably somewhere around 80% of pages will cause my music to stop playing. ...

I currently switched to firefox and would like to keep my Chrome bookmarks, but I can't find a way. Also I'm looking for a bookmarks editor/organizer. Are there any practical solution? I can't find ...

On a Samsung Galaxy Note 10.1 (not 2014 version), run Firefox for Android. Navigate to
https://www.youtube.com/watch?v=1t6576tPDVg
Scroll down the page until you see some comment text. Then use the ...

I have configured IPSec VPN using a PSK to connect to my home network using the default built-in VPN settings in Android 5 on my Nexus 5. It connects correctly, but most apps don't use the connection ...

When I installed Firefox on my phone it gave me the option to enable Mozilla Location Services. What does this actually do? Does it help locate things around you, for example stores? Does it increase ...

I've installed firefox on my android smartphone. I want to store many opened tabs. But firefox store a little amount of tabs...
Firefox store a little part of my last tabs (about 5 of 25 total), so ...

I have a phone with a very small /data partition (Samsung Galaxy Y) and use Firefox as my browser. When I try to view videos that use Progressive Downloading (eg vimeo.com) and which are longer than ...

A little while ago I clicked a link in Firefox that led to an mp3. My thumb slipped and I tapped "always open with", ES Music Player when what I really wanted was to just save it. Now every mp3 link ...

I'm trying to access file shared with firefox from Ubuntu to Windows (as server) via WIFI, all of setting has been properly set before. I'm using smb protocol via desktop browser from Ubuntu and it ...

Firefox for desktop changes visited links to purple but Firefox Mobile fails to mark visited links. The highlighting makes doing research easier.
Is this behaviour by design or is my install broken?
...

Strange problem here... I have COPIED a URL link from the browser and can paste this into Notepad, but when I go to my Hotmail account using Firefox, I cannot get any option to PASTE to appear. Long ...

Every time I let my phone display turn off, and then unlock it and return to Firefox, or just go to another app or hit my home button and then go back to Firefox, it's showing its Mozilla tab. That's ...

Recently, I tried viewing a website on my Android device. Some of the content of the website contains text in a specific Indic font. I noticed that the website is not displayed in the Android browsers ...

I want to use the YubiKey NEO with Chrome, and when I tap the NFC sensor to the phone, the only app I can use is Firefox.
I would like to have SSO work with Chrome, but not sure how they were able to ...

Every time I open a page in either Chrome, Opera or Firefox and try to scroll with the tip of my finger, the browser seems to suddenly zoom in and out while scrolling, interpreting the scroll down as ...

When i'm watching a gif in the firefox android browser it will only play when i move the page around, otherwise it will be frozen.
Does anyone know if this is a regular thing in the firefox android ...

I have a MINIX X7 Pro, with 2GB Ram and 16 GB ROM Quad Core 1.6 Ghz, which seems to me a very powerful device available on the market though now may not be the high-end end. What surprises me though.. ...

I was handed a phone from my friend who installed Firefox OS over Android, but now wants Android back. I know roughly how to flash roms, but am not sure how to go into download mode or equivalent in ...

Using Firefox for Android, I occasionally find web pages containing barcode images (or photos containing barcodes) that I would like to scan.
I could save the image, switch to a barcode app, open and ...

When I search only one word (which isn't URL) in address bar, Firefox treats it as URL and Website Unavailable notification is displayed with OpenDNS search page. How to replace OpenDNS with Google ...

My Firefox bookmarks are synced to my phone, but I am unable to add, remove, and rename the bookmark folders.
How do I modify these folders (including moving bookmarks to/from folders) without using ...

Experiencing freezes or slowness of Firefox (current and beta version) on a Nexus 4 using Android v.4.3, only when typing into forms. I've read on Mozilla support that it was a known problem and that ...

Would really like to try and get firefox running on older android device.
Have a Samsung Galaxy GT-I5700 which has an ARM V6 800mhz cpu, 250mb internal memory, 4GB SD and is running CyangenMod9 ICS ...